[SCSI] zfcp: Small QDIO cleanups

QBUFF_PER_PAGE is only used inside the qdio module, so move it to
zfcp_qdio.c

zfcp_qdio_zero_sbals is now only used in the qdio module, so make it
static.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

3 files changed, 11 insertions, 19 deletions

diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 202f7e66c446..e8383b7331b4 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -100,8 +100,6 @@ zfcp_address_to_sg(void *address, struct scatterlist *list, unsigned int size)
 
 #define ZFCP_TYPE2_RECOVERY_TIME        8       /* seconds */
 
-#define QBUFF_PER_PAGE                  (PAGE_SIZE / sizeof(struct qdio_buffer))
-
 /********************* FSF SPECIFIC DEFINES *********************************/
 
 #define ZFCP_ULP_INFO_VERSION                   26
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index c3b51338abfa..368b304d1e3f 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -43,7 +43,6 @@ extern void _zfcp_scan_ports_later(struct work_struct *work);
 /******************************* S/390 IO ************************************/
 extern int  zfcp_ccw_register(void);
 
-extern void zfcp_qdio_zero_sbals(struct qdio_buffer **, int, int);
 extern int  zfcp_qdio_allocate(struct zfcp_adapter *);
 extern void zfcp_qdio_free(struct zfcp_adapter *);
 extern int  zfcp_qdio_send(struct zfcp_fsf_req *fsf_req);
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index bd6561d53589..b8ed42bb5c9e 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -11,6 +11,7 @@
 /* FIXME(tune): free space should be one max. SBAL chain plus what? */
 #define ZFCP_QDIO_PCI_INTERVAL  (QDIO_MAX_BUFFERS_PER_Q \
                                 - (ZFCP_MAX_SBALS_PER_REQ + 4))
+#define QBUFF_PER_PAGE          (PAGE_SIZE / sizeof(struct qdio_buffer))
 
 static int zfcp_qdio_buffers_enqueue(struct qdio_buffer **sbal)
 {
@@ -63,6 +64,16 @@ static void zfcp_qdio_handler_error(struct zfcp_adapter *adapter, u8 id)
                                 ZFCP_STATUS_COMMON_ERP_FAILED, id, NULL);
 }
 
+static void zfcp_qdio_zero_sbals(struct qdio_buffer *sbal[], int first, int cnt)
+{
+        int i, sbal_idx;
+
+        for (i = first; i < first + cnt; i++) {
+                sbal_idx = i % QDIO_MAX_BUFFERS_PER_Q;
+                memset(sbal[sbal_idx], 0, sizeof(struct qdio_buffer));
+        }
+}
+
 static void zfcp_qdio_int_req(struct ccw_device *cdev, unsigned int status,
                               unsigned int qdio_err, unsigned int siga_err,
                               unsigned int queue_no, int first, int count,
@@ -366,22 +377,6 @@ int zfcp_qdio_send(struct zfcp_fsf_req *fsf_req)
 }
 
 /**
- * zfcp_qdio_zero_sbals - zero all sbals of the specified area and queue
- * @buf: pointer to array of SBALS
- * @first: integer specifying the SBAL number to start
- * @count: integer specifying the number of SBALS to process
- */
-void zfcp_qdio_zero_sbals(struct qdio_buffer *sbal[], int first, int count)
-{
-        int i, sbal_idx;
-
-        for (i = first; i < first + count; i++) {
-                sbal_idx = i % QDIO_MAX_BUFFERS_PER_Q;
-                memset(sbal[sbal_idx], 0, sizeof(struct qdio_buffer));
-        }
-}
-
-/**
  * zfcp_qdio_allocate - allocate queue memory and initialize QDIO data
  * @adapter: pointer to struct zfcp_adapter
  * Returns: -ENOMEM on memory allocation error or return value from